<!DOCTYPE html>
<html lang="en">
<meta charset="UTF-8">
<title>css3圆角 阴影 透明度
<style type="text/css">
.box{width:200px;
height:200px;
border:2px solid #000;
background-color:gold;
margin:50px auto 0;
/*border-top-left-radius:100px 50px;左上角为椭圆圆角*/
/*border-top-left-radius:100px;
border-top-right-radius:100px;左、右上角为正圆圆角*/
/*border-radius:40px;曲率半径为40的圆角矩形*/
/*border-radius:20%;最大200px，20%即40px*/
border-radius:50%;/*正圆*/
}
.box1{width:200px;
height:40px;
background-color:gold;
margin:100px auto 0;
/*水平偏移 垂直偏移 羽化大小 扩展大小 颜色*/
box-shadow:10px 10px 10px 0px #bfa;
}
.box2{width:200px;
height:40px;
background-color:gold;
margin:100px auto 0;
/*水平偏移 垂直偏移 羽化大小 扩展大小 颜色 是否内阴影*/
box-shadow:0px 0px 20px 2px red inset;
}
body{background-color:cyan;
}
.box3{width:200px;
height:200px;
/*background:url(images/location_bg.jpg);*/
background-color:gold;
margin:50px auto 0;
border:2px solid #000;
border-radius:50%;
/*透明度30%，文字也透明了*/
opacity:0.3;
filter:alpha(opacity=30);/*兼容IE*/
text-align:center;
line-height:200px;
}
.box4{width:200px;
height:200px;
/*背景色变透明，但文字不会透明*/
background-color:rgba(255,215,0,0.3);
margin: 50px auto 0;
/*边框透明*/
border:2px solidrgba(0,0,0,0.3);
border-radius:50%;
text-align:center;
line-height:200px;
}
<div class="box">
<div class="box1">
<div class="box2">
<div class="box3">床前明月光
<div class="box4">床前明月光
</html>
<!DOCTYPE html>
<html lang="en">
<meta charset="UTF-8">
<title>transition运动曲线
<style type="text/css">
div{width:50px;
height:50px;
background-color:gold;
margin-bottom:20px;}
/* div:nth-child(1):所有div里的第一个 */
div:nth-child(1){transition:all 1s linear;}
div:nth-child(2){transition:all 1s ease;}
div:nth-child(3){transition:all 1s ease-in;}
div:nth-child(4){transition:all 1s ease-out;}
div:nth-child(5){transition:all 1s ease-in-out;}
div:nth-child(6){transition:all 1s cubic-bezier(0.435,-0.415,0.550,1.420);}
div:hover{width:1000px;}
<div>linear
<div>ease
<div>ease-in
<div>ease-out
<div>ease-in-out
<div>bezier
</html>
<!DOCTYPE html>
<html lang="en">
<meta charset="UTF-8">
<title>transform变形
<style type="text/css">
.box1, .box2, .box3, .box4{width:200px;
height:200px;
background-color:gold;
margin:50px auto 0;
transition:all 1s ease;}
/* deg:度 */
/* 位移(x,x:水平、垂直),不会影响到文档流 */
.box1:hover{transform:translate(50px,50px);}
/* 旋转 */
.box2:hover{transform:rotate(360deg);}
/* 缩放(x,x:水平、垂直) */
.box3:hover{transform:scale(0.5,0.2);}
/* 斜切 */
.box4:hover{transform:skew(0,45deg);}
<div class="box1">
<div class="box2">
<div class="box3">
<div class="box4">
</html>
